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Minerva Chirurgica 2020 October;75(5):355-64

DOI: 10.23736/S0026-4733.20.08362-5

Copyright © 2020 EDIZIONI MINERVA MEDICA

language: English

Limberg flap for the management of pilonidal sinus reduces disease recurrence compared to Karydakis and Bascom procedure: a systematic review and meta-analysis of randomized controlled trials

Kausik RAY 1, Mohammed ALBENDARY 1, Mirza K. BAIG 2, Christie SWAMINATHAN 1, Parv SAINS 1, Muhammad S. SAJID 1

1 Department of Digestive Diseases and Gastrointestinal Surgery, Brighton and Sussex University Hospitals NHS Trust, The Royal Sussex County Hospital, Brighton, UK; 2 Department of Colorectal Surgery, Worthing Hospital, Worthing, UK



INTRODUCTION: The objective of this study is to compare the effectiveness of Limberg flap (LF) versus Karydakis and Bascom procedure to reduce the recurrence of pilonidal sinus disease.
EVIDENCE ACQUISITION: The data retrieved from the published randomized controlled trials (RCT) comparing the effectiveness of LF versus Karydakis and Bascom procedure was analyzed using the principles of meta-analysis. The summated outcome of the dichotomous data was presented in risk ratio (RR).
EVIDENCE SYNTHESIS: Eighteen RCTs on 2073 patients comparing the effectiveness of LF versus Karydakis and or Bascom procedure for the surgical excision of pilonidal sinus disease were analyzed. In the random effects model analysis using the statistical software Review Manager 5.3, the LF was associated with the reduced risk (RR, 0.52; 95% CI: 0.29, 0.93; z=2.19; P=0.03) of disease recurrence after pilonidal sinus excision compared to Karydakis and Bascom procedure. On subgroup analysis the LF was still superior to Karidakys procedure (RR, 0.52; 95% CI: 0.23, 1.17; z=1.57; P=0.12) and Bascom procedure (RR, 0.49; 95% CI: 0.19, 1.29; z=1.44; P=0.15) but statistically it was not significant.
CONCLUSIONS: LF seems to have clinical advantage over Karydakis and Bascom procedure in terms of reduced recurrence rate following surgical excision of pilonidal sinus. Although, this advantage was clinically persisted on subgroup analysis but failed to achieve statistical significance.


KEY WORDS: Pilonidal sinus; Recurrence; Surgery

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